Handle for a plumbing fitting



FIG. 1 is a right, top, front perspective view of a handle for a plumbing fitting embodying our new design;

FIG. 2 is a front elevational view thereof, the right side, left side, and rear elevational views being identical to the front elevational view shown; and,

FIG. 3 is a top plan view thereof. 

The ornamental design for a handle for a plumbing fitting, as shown and described. 